Frost Dates for Coral Harbour, Canada

Based on data from Coral Harbour A weather station, 7 miles away

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. June 17
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. August 22
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.

Last Spring Frost June 20
First Fall Frost August 15

Hard Freeze (−2°C)

Last Spring Hard Freeze June 7
First Fall Hard Freeze September 13
64.14°N, -83.17°W © OpenStreetMap

Growing Season

66 Days June 17 to August 22

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 2a

Avg. annual minimum: −50 to −45°F (−46 to −43°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

Köppen climate map

Temperature

-35° -20° -5° 10°
-29°
High: -25°C
Avg: -29°C
Low: -33°C
Jan
-29°
High: -25°C
Avg: -29°C
Low: -33°C
Feb
-25°
High: -20°C
Avg: -25°C
Low: -30°C
Mar
-16°
High: -11°C
Avg: -16°C
Low: -21°C
Apr
-6°
High: -2°C
Avg: -6°C
Low: -9°C
May
3°
High: 7°C
Avg: 3°C
Low: 0°C
Jun
10°
High: 15°C
Avg: 10°C
Low: 6°C
Jul
8°
High: 12°C
Avg: 8°C
Low: 4°C
Aug
2°
High: 5°C
Avg: 2°C
Low: -1°C
Sep
-5°
High: -2°C
Avg: -5°C
Low: -8°C
Oct
-16°
High: -11°C
Avg: -16°C
Low: -20°C
Nov
-24°
High: -19°C
Avg: -24°C
Low: -28°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 20 mm 40 mm 60 mm
0 mm
0.0 mm
Jan
0 mm
0.0 mm
Feb
0 mm
0.0 mm
Mar
0 mm
0.0 mm
Apr
5 mm
5.1 mm
May
10 mm
10.2 mm
Jun
25 mm
25.4 mm
Jul
61 mm
61.0 mm
Aug
41 mm
40.6 mm
Sep
30 mm
30.5 mm
Oct
8 mm
7.6 mm
Nov
0 mm
0.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec5h8h11h14.5h18h20.5h19.5h16h12.5h9.5h6h3.5h
Jan: 9:35 AM – 2:25 PM · 4h 51m
Feb: 7:57 AM – 4:03 PM · 8h 06m
Mar: 6:23 AM – 5:37 PM · 11h 13m
Apr: 4:40 AM – 7:20 PM · 14h 40m
May: 3:01 AM – 8:59 PM · 17h 58m
Jun: 1:48 AM – 10:12 PM · 20h 24m
Jul: 2:21 AM – 9:39 PM · 19h 17m
Aug: 3:58 AM – 8:02 PM · 16h 04m
Sep: 5:42 AM – 6:18 PM · 12h 37m
Oct: 7:22 AM – 4:38 PM · 9h 16m
Nov: 9:04 AM – 2:56 PM · 5h 53m
Dec: 10:13 AM – 1:47 PM · 3h 35m
Daylight Longest: 20h 30m · Shortest: 3h 30m

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